-
/*
- * trimcpy.c -- strip leading and trailing whitespace,
- * -- replace internal whitespace with spaces,
- * -- then return a copy.
- *
- * This code is Copyright (c) 2002, by the authors of nmh. See the
- * COPYRIGHT file in the root directory of the nmh distribution for
- * complete copyright information.
- */
+** trimcpy.c -- strip leading and trailing whitespace,
+** -- replace internal whitespace with spaces,
+** -- then return a copy.
+**
+** This code is Copyright (c) 2002, by the authors of nmh. See the
+** COPYRIGHT file in the root directory of the nmh distribution for
+** complete copyright information.
+*/
#include <h/mh.h>
+#include <ctype.h>
char *
-trimcpy (unsigned char *cp)
+trimcpy(unsigned char *cp)
{
- unsigned char *sp;
-
- /* skip over leading whitespace */
- while (isspace(*cp))
- cp++;
-
- /* start at the end and zap trailing whitespace */
- for (sp = cp + strlen(cp) - 1; sp >= cp; sp--) {
- if (isspace(*sp))
- *sp = '\0';
- else
- break;
- }
-
- /* replace remaining whitespace with spaces */
- for (sp = cp; *sp; sp++) {
- if (isspace(*sp))
- *sp = ' ';
- }
-
- /* now return a copy */
- return getcpy(cp);
+ unsigned char *sp;
+
+ /* skip over leading whitespace */
+ while (isspace(*cp))
+ cp++;
+
+ /* start at the end and zap trailing whitespace */
+ for (sp = cp + strlen(cp) - 1; sp >= cp; sp--) {
+ if (isspace(*sp))
+ *sp = '\0';
+ else
+ break;
+ }
+
+ /* replace remaining whitespace with spaces */
+ for (sp = cp; *sp; sp++) {
+ if (isspace(*sp))
+ *sp = ' ';
+ }
+
+ /* now return a copy */
+ return getcpy(cp);
}